81444960

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1109}}^1$

素因数の和:1150

約数の個数: 192

約数和(自身を含む): 302097600

約数和(自身を除く): 220652640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 96, 102, 108, 120, 135, 136, 144, 153, 160, 170, 180, 204, 216, 240, 255, 270, 272, 288, 306, 340, 360, 408, 432, 459, 480, 510, 540, 544, 612, 680, 720, 765, 816, 864, 918, 1020, 1080, 1109, 1224, 1360, 1440, 1530, 1632, 1836, 2040, 2160, 2218, 2295, 2448, 2720, 3060, 3327, 3672, 4080, 4320, 4436, 4590, 4896, 5545, 6120, 6654, 7344, 8160, 8872, 9180, 9981, 11090, 12240, 13308, 14688, 16635, 17744, 18360, 18853, 19962, 22180, 24480, 26616, 29943, 33270, 35488, 36720, 37706, 39924, 44360, 49905, 53232, 56559, 59886, 66540, 73440, 75412, 79848, 88720, 94265, 99810, 106464, 113118, 119772, 133080, 149715, 150824, 159696, 169677, 177440, 188530, 199620, 226236, 239544, 266160, 282795, 299430, 301648, 319392, 339354, 377060, 399240, 452472, 479088, 509031, 532320, 565590, 598860, 603296, 678708, 754120, 798480, 848385, 904944, 958176, 1018062, 1131180, 1197720, 1357416, 1508240, 1596960, 1696770, 1809888, 2036124, 2262360, 2395440, 2545155, 2714832, 3016480, 3393540, 4072248, 4524720, 4790880, 5090310, 5429664, 6787080, 8144496, 9049440, 10180620, 13574160, 16288992, 20361240, 27148320, 40722480, 81444960]

約数ペア:

[(1, 81444960), (2, 40722480), (3, 27148320), (4, 20361240), (5, 16288992), (6, 13574160), (8, 10180620), (9, 9049440), (10, 8144496), (12, 6787080), (15, 5429664), (16, 5090310), (17, 4790880), (18, 4524720), (20, 4072248), (24, 3393540), (27, 3016480), (30, 2714832), (32, 2545155), (34, 2395440), (36, 2262360), (40, 2036124), (45, 1809888), (48, 1696770), (51, 1596960), (54, 1508240), (60, 1357416), (68, 1197720), (72, 1131180), (80, 1018062), (85, 958176), (90, 904944), (96, 848385), (102, 798480), (108, 754120), (120, 678708), (135, 603296), (136, 598860), (144, 565590), (153, 532320), (160, 509031), (170, 479088), (180, 452472), (204, 399240), (216, 377060), (240, 339354), (255, 319392), (270, 301648), (272, 299430), (288, 282795), (306, 266160), (340, 239544), (360, 226236), (408, 199620), (432, 188530), (459, 177440), (480, 169677), (510, 159696), (540, 150824), (544, 149715), (612, 133080), (680, 119772), (720, 113118), (765, 106464), (816, 99810), (864, 94265), (918, 88720), (1020, 79848), (1080, 75412), (1109, 73440), (1224, 66540), (1360, 59886), (1440, 56559), (1530, 53232), (1632, 49905), (1836, 44360), (2040, 39924), (2160, 37706), (2218, 36720), (2295, 35488), (2448, 33270), (2720, 29943), (3060, 26616), (3327, 24480), (3672, 22180), (4080, 19962), (4320, 18853), (4436, 18360), (4590, 17744), (4896, 16635), (5545, 14688), (6120, 13308), (6654, 12240), (7344, 11090), (8160, 9981), (8872, 9180)]